CN205070019U - Electrical connector and plug, socket, wiring board thereof - Google Patents

Abstract

The utility model discloses an electrical connector and plug, socket, wiring board thereof, wherein electrical connector includes plug and socket, plug: the safe -grounding detection plug comprises a plug body, plug body's bottom is equipped with two at least bolts, the socket: the casing that upper cover and inferior valve are constituteed has, the inside plug bush that corresponds respectively with the plug bolt that is equipped with of inferior valve, and plug bush upper portion is equipped with the insulation board that is used for the isolation and covers the plug bush, the insulation board top still is equipped with the guard gate subassembly, electrical connector is still including judging the warning structure of pegging graft and whether targetting in place, the warning structure has two kinds of swing mechanism subassemblies of warning the colour versions including setting up in the last warning window of covering, swing mechanism subassembly motion when the plug inserts.

Description

A kind of arrangements of electric connection and plug, socket, wiring board

Technical field

The utility model belongs to electric connection technology field, is specifically related to a kind of arrangements of electric connection and plug, socket, wiring board.

Background technology

Power supply connecting device comprises plug and socket, and socket has the insertable seat of one or more circuit connections, can insert various wiring, be convenient to and other circuit ON by it.By the connection between circuit and copper piece and disconnection, reach the connecting and disconnecting finally reaching this partial circuit.

Along with high-power electric appliance (such as large power air-conditioned etc.) is used in a large number by office space and family, the potential safety hazard of electric connection mode may bring more serious consequence.Exist and easily get an electric shock, easily get loose, without the shortcoming of safe early warning.And easily there is arcing when plugging in plug and sleeve, there is larger potential safety hazard, less stable.

In addition, traditional electric connection mode and arrangements of electric connection are all adopt direct insertion connection, and its structure completes electrical connection by U-shaped shell fragment natural resiliency clamping inserted sheet, vertically to pull the plug out of the socket disconnect electrical connection by overcoming U-shaped shell fragment the chucking power of inserted sheet.Realization and the use of this connected mode are very easy, but the chucking power of this shell fragment can along with frequently plug after, elastic force reduces gradually or disappears, loose contact can be caused, easily get loose, reduce useful life, there is many potential safety hazards and be not easily found, thus causing security incident, causing the person and property damage to user.

In view of above problem, be necessary to propose a kind of novel arrangements of electric connection, the arcing produced when preventing high-power socket from plugging is to the injury of human body, and realize effectively anti-touching, the power supply of safety and stability connects.

Utility model content

There is many weak points in traditional electric connection mode, utility model people finds between the electrode in traditional arrangements of electric connection not completely isolated, when in the electrical equipment being used in relatively high power or industrial occasions, easy high-temperature electric arc between electrode, cause short circuit, cause device damage, also can cause component failure or the fusing of arrangements of electric connection, even cause fire.

Utility model people finds traditional plug socket in use because vibrating, surprisingly playing, drag and easily cause plug-loose, but is not easily found by people, and continuing use can easily cause overheated potential safety hazard of even catching fire because of loose contact.

Though utility model people also finds that traditional protective door structure can play the effect preventing children from getting electric shock, but latch contacts with sleeve and disconnects moment, contact point or exposed, the high-temperature electric arc that sparking or arcing produce can damage arrangements of electric connection, also can cause potential safety hazard to user.

Utility model people also finds when electrode plug and sleeve Contact in traditional direct insertion type electric connecting device, and some is exposed outside at jack to be with plug, and user is easy to touch band plug because of carelessness and causes electric shock.

Based on the above-mentioned technical problem that utility model people finds, an object of the present utility model proposes a kind of arrangements of electric connection and plug, socket, wiring board, the reliability of electrical connection problem of current traditional electrical connected mode can be improved, and eliminate safe hidden trouble as far as possible, and can warn when inserting not in place or plug accidental release, reduce the generation of contingency.

According to a kind of arrangements of electric connection that the purpose of this utility model proposes, comprise plug and socket,

Plug: comprise header body, the bottom of described header body is provided with at least two latches;

Socket: the housing with upper cover and lower casing composition, lower casing inside is provided with the sleeve respectively corresponding with plug pins, and sleeve top is provided with for isolating and covering the insulation board of sleeve, is also provided with protective door assembly above described insulation board;

Described arrangements of electric connection also comprises the caution structure judging that grafting whether puts in place, described caution structure comprises the warning window being arranged at and covering, with the swing mechanism assembly of two kinds of warning color versions, swing mechanism component movement when plug inserts, according to insertion situation at warning window place display different colours.

Preferably, described swing mechanism assembly comprises shell, swing arm, color version and torsion spring, and shell has the cavity holding swing arm and torsion spring rotation, and has the location notch installing swing arm and torsion spring; Swing arm is provided with central rotating shaft and becomes two swing arms of predetermined angular with central rotating shaft, a swing arm of swing arm is provided with driving contact, another swing arm is connected with color version, torsion spring set is in sway bar center rotating shaft, and an end pin is fixed in the default installing hole of swing arm, and the precompressed of an end pin is in shell location notch; Insert situation according to plug and control swing arm motion converter Show Color, judge grafting situation.

Preferably, described sleeve comprises sleeve body, is arranged to hold ring tightly outside described sleeve body, and holds the preloading spring between ring and sleeve body described in being arranged at tightly, and described preloading spring is arc spring leaf; Described sleeve body comprises left shell fragment, right shell fragment and brace;

Described ring of holding tightly fixes arc spring leaf and sleeve body, and is anchored on by arc spring leaf in the pre-compact space of holding tightly between ring and sleeve body, holds sleeve body tightly by the pretightning force of described arc spring leaf;

Left shell fragment on described sleeve body, right shell fragment are surface blending, and left shell fragment, the bending laterally of right shell fragment upper end form arc crimping.

Preferably, described arc spring leaf is figure-three elastic component, and described figure-three elastic component is two that symmetry is pressed on left shell fragment, right shell fragment outer wall.

Preferably, after assembling, the both sides of left and right two figure-three elastic components be pressed in respectively hold ring inwall and the left shell fragment of sleeve body, right shell fragment tightly outer wall on, form multiple pretightning force strong point, hold sleeve body tightly with at least one pair of strong point of sleeve body contacts.

Preferably, described figure-three elastic component and to hold between ring and sleeve body totally seven strong points tightly, wherein three strong points act on the outer wall of sleeve body.

Preferably, described arrangements of electric connection also comprises lockable mechanism, and described lockable mechanism comprises the lock key be arranged in header body, is positioned at the limited impression on described upper cover plug insertion inwall and is arranged at the driving boss of described limited impression; Described lock key comprises the locking button being arranged at header body side, is also provided with the spring driving locking button along its axially reciprocating between lock key and header body; When plug inserts, locking button enters in the limited impression that covers, locking button contacts with driving boss and is subject to drive boss to extrude, spring is squeezed contraction distortion, and locking button axially moves, when being deformed to predeterminated position to header body direction along it, driving boss crossed by locking button, rear spring drives locking button to reset, and be stuck in the lower plane place driving boss, plug grafting puts in place.

Preferably, described header body side is also provided with hand push button, hand push button and locking button realize linking by described spring, and all stretch out in two holes be preset in header body, press hand push button, locking button axially moves to header body direction along it, driving boss crossed by locking button, unclamp hand push button, locking button is stuck in the lower plane place driving boss, plug grafting puts in place.

Preferably, described locking button is arranged at the below of hand push button, the end design spherical of described locking button.

Preferably, two flat ends up and down driving boss are inclined-plane.

Preferably, in described limited impression, bilateral symmetry is provided with a pair locking boss, and the locking boss be oppositely arranged forms the spacing locking button of lock groove.

Preferably, described protective door assembly comprises protective door upper cover, is arranged on block in protective door upper cover and stopper spring; Latch is two or three, when latch is three, protective door covers and is provided with three via holes inserted for plug pins, the die cavity that convex tendon surrounds is provided with at each via hole periphery, in order to hold block and stopper spring, and carrying out spacing to the installation of block and stopper spring and reciprocating motion, stopper spring is arranged between block and the enclosure wall of die cavity; In a non-operative state, three blocks shelter from each self-corresponding pin hole under the effect of stopper spring.

Preferably, the face of described block blocking pin hole is provided with the driving inclined-plane of predetermined angular, moves after block being driven to driving inclined-plane applied pressure for the latch when plug inserts, open the pin hole blocked.

Preferably, three blocks are separated, can realize interlock.

Preferably, earth electrode plug pin lengths is greater than electrode latch, earth electrode latch block is lozenges structure, under non operating state, the block of two electrode latches withstands on by stopper spring on the lozenges of earth electrode block, when plug inserts, while earth electrode latch block is opened before this, two electrode latch blocks under the driving of lozenges after move, electrode pin hole is sheltered from by the driving inclined-plane of electrode latch block, rear plug continues to insert, after earth electrode latch fully contacts with earth electrode sleeve, electrode bolt driving electrode latch block is opened and is contacted with Electrode sleeve.

Preferably, described arrangements of electric connection also comprises insulation system, and described insulation system comprises described insulation board and described lower casing, and be provided with the electrode storehouse holding sleeve in described lower casing, described insulation system also comprises the isolated part in order to isolated electrode storehouse.

Preferably, described isolated part comprises groove or the convex tendon of the periphery being arranged at electrode storehouse, the convex tendon or groove that coordinate with the groove of electrode storehouse periphery or convex tendon is provided with below insulation board, when insulation board is fixed in lower casing, convex tendon and groove fit, make between each electrode storehouse mutually isolated, and increase the creepage distance between each electrode.

Preferably, protection against electric shock structure when described arrangements of electric connection also has an insertion, plug insertion is had in the middle of described upper cover, the convex tendon of predetermined altitude is set along plug insertion adjacent edges, form the inside die cavity passed through for float plate and plug, under plug non operating state, the porch of this die cavity is covered by float plate, when plug inserts, when latch is all through float plate before this, then the bottom of header body starts to contact with float plate, now latch all enters in closed die cavity, when plug inserts gradually, before latch and sleeve contact electrification, the bottom of header body also enters in die cavity.

Preferably, described upper cover inside is also provided with the float plate guiding plug to insert, described float plate is plank frame, which is provided with the vertical vias held latch and pass through, insulation board is fixedly installed the back-moving spring of float plate, float plate is also provided with the sleeve holding described back-moving spring, described back-moving spring is positioned in the sleeve of float plate through protective door assembly, under non-intrusive state, float plate outer is supported on the inwall of upper cover by the predeformation of back-moving spring and covers plug insertion by float plate.

Preferably, described float plate is provided with a centre bore, described centre bore coordinates with the central shaft be located in protective door element panels makes float plate along the vertical back and forth movement of direction of insertion.

Preferably, described float plate is also provided with spline convex tendon, described spline convex tendon is for circumferentially evenly to arrange, and described spline convex tendon coordinates with the float plate guide groove in upper cover, reciprocatingly slides in order to guide float plate and prevents float plate from centrally rotating in hole.

Preferably, described spline convex tendon be symmetrically arranged 2 or circular array distribution multiple.

A kind of Electric plug with shutter, comprise header body, the bottom of described header body is provided with at least two latches, described header body is also provided with lock key, described lock key comprises the locking button being arranged at header body side, also be provided with the spring driving locking button along its axially reciprocating between lock key and header body, by driving spring is flexible, locking button snapped in socket along its axially reciprocating.

Preferably, described jack body side is also provided with hand push button, and hand push button and locking button realize linking by described spring, and all stretch out in two holes be preset in header body, press hand push button, locking button axially moves to header body direction along it.

Preferably, the end design spherical of described locking button.

A kind of electric-connected socket, has the housing of upper cover and lower casing composition, and lower casing inside is provided with the sleeve corresponding respectively with plug pins, and sleeve top is provided with for isolating and covering the insulation board of latch, is also provided with protective door assembly above described insulation board;

Described electric-connected socket also comprises the caution structure judging that grafting whether puts in place, described caution structure comprises the warning window being arranged at and covering, with the swing mechanism assembly of two kinds of warning color versions, swing mechanism component movement when plug inserts, according to insertion situation at warning window place display different colours.

Preferably, described swing mechanism assembly comprises shell, swing arm, color version and torsion spring, and shell has the cavity holding swing arm and torsion spring rotation, and has the location notch installing swing arm and torsion spring; Swing arm is provided with central rotating shaft and becomes two swing arms of predetermined angular with central rotating shaft, a swing arm of swing arm is provided with driving contact, another swing arm is connected with color version, torsion spring set is in sway bar center rotating shaft, and an end pin is fixed in the default installing hole of swing arm, and the precompressed of an end pin is in shell location notch; Insert situation according to plug and control swing arm motion converter Show Color, judge grafting situation.

Preferably, described sleeve comprises sleeve body, is arranged to hold ring tightly outside described sleeve body, and holds the preloading spring between ring and sleeve body described in being arranged at tightly, and described preloading spring is arc spring leaf; Described sleeve body comprises left shell fragment, right shell fragment and brace;

Described ring of holding tightly fixes arc spring leaf and sleeve body, and is anchored on by arc spring leaf in the pre-compact space of holding tightly between ring and sleeve body, holds sleeve body tightly by the pretightning force of described arc spring leaf;

Left shell fragment on described sleeve body, right shell fragment are surface blending, and left shell fragment, the bending laterally of right shell fragment upper end form arc crimping.

Preferably, described arc spring leaf is figure-three elastic component, and described figure-three elastic component is two that symmetry is pressed on left shell fragment, right shell fragment outer wall.

Preferably, after assembling, the both sides of left and right two figure-three elastic components be pressed in respectively hold ring inwall and the left shell fragment of sleeve body, right shell fragment tightly outer wall on, form multiple pretightning force strong point, hold sleeve body tightly with at least one pair of strong point of sleeve body contacts.

Preferably, described figure-three elastic component and to hold between ring and sleeve body totally seven strong points tightly, wherein three strong points act on the outer wall of sleeve body.

Preferably, described upper cover plug insertion inwall is provided with limited impression, driving boss is provided with in described limited impression, described electric-connected socket and Electric plug with shutter with the use of, when plug inserts, locking button enters in the limited impression that covers, locking button contacts with driving boss and is subject to drive boss to extrude, spring is squeezed contraction distortion, and locking button axially moves, when being deformed to predeterminated position to header body direction along it, driving boss crossed by locking button, rear spring drives locking button to reset, and be stuck in the lower plane place driving boss, plug grafting puts in place.

Preferably, two flat ends up and down driving boss are inclined-plane.

Preferably, in described limited impression, bilateral symmetry is provided with a pair locking boss, and the locking boss be oppositely arranged forms the spacing locking button of lock groove.

Preferably, described protective door assembly comprises protective door upper cover, is arranged on block in protective door upper cover and stopper spring; Latch is two or three, when latch is three, protective door covers and is provided with three via holes inserted for plug pins, the die cavity that convex tendon surrounds is provided with at each via hole periphery, in order to hold block and stopper spring, and carrying out spacing to the installation of block and stopper spring and reciprocating motion, stopper spring is arranged between block and the enclosure wall of die cavity; In a non-operative state, three blocks shelter from each self-corresponding pin hole under the effect of stopper spring.

Preferably, the face of described block blocking pin hole is provided with the driving inclined-plane of predetermined angular, moves after block being driven to driving inclined-plane applied pressure for the latch when plug inserts, open the pin hole blocked.

Preferably, three blocks are separated, can realize interlock.

Preferably, earth electrode plug pin lengths is greater than electrode latch, earth electrode latch block is lozenges structure, under non operating state, the block of two electrode latches withstands on by stopper spring on the lozenges of earth electrode block, when plug inserts, while earth electrode latch block is opened before this, two electrode latch blocks under the driving of lozenges after move, electrode pin hole is sheltered from by the driving inclined-plane of electrode latch block, rear plug continues to insert, after earth electrode latch fully contacts with earth electrode sleeve, electrode bolt driving electrode latch block is opened and is contacted with Electrode sleeve.

Preferably, described electric-connected socket also comprises insulation system, and described insulation system comprises described insulation board and described lower casing, and be provided with the electrode storehouse holding sleeve in described lower casing, described insulation system also comprises the isolated part in order to isolated electrode storehouse.

Preferably, described isolated part comprises groove or the convex tendon of the periphery being arranged at electrode storehouse, the convex tendon or groove that coordinate with the groove of electrode storehouse periphery or convex tendon is provided with below insulation board, when insulation board is fixed in lower casing, convex tendon and groove fit, make between each electrode storehouse mutually isolated, and increase the creepage distance between each electrode.

Preferably, protection against electric shock structure when described electric-connected socket also has an insertion, plug insertion is had in the middle of described upper cover, the convex tendon of predetermined altitude is set along plug insertion adjacent edges, form the inside die cavity passed through for float plate and plug, under plug non operating state, the porch of this die cavity is covered by float plate, when plug inserts, when latch is all through float plate before this, then the bottom of header body starts to contact with float plate, now latch all enters in closed die cavity, when plug inserts gradually, before latch and sleeve contact electrification, the bottom of header body also enters in die cavity.

Preferably, described upper cover inside is also provided with the float plate guiding plug to insert, described float plate is plank frame, which is provided with the vertical vias held latch and pass through, insulation board is fixedly installed the back-moving spring of float plate, float plate is also provided with the sleeve holding described back-moving spring, described back-moving spring is positioned in the sleeve of float plate through protective door assembly, under non-intrusive state, float plate outer is supported on the inwall of upper cover by the predeformation of back-moving spring and covers plug insertion by float plate.

Preferably, described float plate is provided with a centre bore, described centre bore coordinates with the central shaft be located in protective door element panels makes float plate along the vertical back and forth movement of direction of insertion.

Preferably, described float plate is also provided with spline convex tendon, described spline convex tendon is for circumferentially evenly to arrange, and described spline convex tendon coordinates with the float plate guide groove in upper cover, reciprocatingly slides in order to guide float plate and prevents float plate from centrally rotating in hole.

Preferably, described spline convex tendon be symmetrically arranged 2 or circular array distribution multiple.

A kind of wiring board, comprises at least one electric-connected socket.

Hinge structure, the advantage of arrangements of electric connection disclosed in the utility model and plug thereof, socket, wiring board is:

By arranging float plate, when plug just contacts with sleeve, latch does not expose, and float plate must be pressed down and insert ability power taking, and the arcing produced when preventing high-power socket from plugging is to the injury of human body, and realize effectively anti-tactile, the power supply of safety and stability connects.

By arranging caution structure, can warn when plug inserts not in place or plug accidental release, reducing the generation of contingency.

In addition, by arranging lockable mechanism, after plug inserts, carrying out locking fix, avoiding occurring problems such as getting loose, ensure the stability connected.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of arrangements of electric connection.

Fig. 2 is the structural representation of upper cover.

Fig. 3 is the structural representation of swing arm.

Fig. 4 is the structural representation of float plate.

Fig. 5 is structural representation Fig. 1 of protective door assembly.

Fig. 6 is structural representation Fig. 2 of protective door assembly.

Fig. 7 is structural representation Fig. 1 of insulation board.

Fig. 8 is structural representation Fig. 2 of insulation board.

Fig. 9 is the structural representation of lower casing.

Figure 10 is the structural representation of sleeve.

Figure 11 is the structural representation of plug.

The title of the numeral in figure or the corresponding component representated by letter:

100, plug 200, socket

101, header body 102, latch 103, hand push button 104, locking button 105, spring 106, lock key 210, upper cover 220, lower casing 230, sleeve 240, insulation board 250, protective door assembly 260, float plate 270, swing mechanism assembly 211, limited impression 212, driving boss 213, locking boss 214, plug insertion 215, convex tendon 216, float plate guide groove 221, earth electrode sleeve 222, Electrode sleeve

241, groove 242, convex tendon 251, die cavity 252, earth electrode latch block 253, electrode latch block 254, stopper spring 255, central shaft 261, pin hole 262, back-moving spring 263, sleeve 264, centre bore 265, spline convex tendon 271, warning window 272, color version 273, swing arm 274, torsion spring 275, central rotating shaft 276, driving contact

10, sleeve body 20, hold ring 30, figure-three reed tightly

11, left shell fragment 12, right shell fragment 13, brace 14, arc crimping

Embodiment

Along with high-power electric appliance (such as large power air-conditioned etc.) is used in a large number by office space and family, the potential safety hazard of electric connection mode may bring more serious consequence.Exist and easily get an electric shock, easily get loose, without the shortcoming of safe early warning.And easily there is arcing when plugging in plug and sleeve, there is larger potential safety hazard, less stable.

The utility model is for the deficiencies in the prior art, propose a kind of arrangements of electric connection and plug, socket, wiring board, the reliability of electrical connection problem of current traditional electrical connected mode can be improved, and eliminate safe hidden trouble as far as possible, and can warn when inserting not in place or plug accidental release, reduce the generation of contingency.

To be clearly and completely described the technical solution of the utility model by embodiment below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Please also refer to Fig. 1 to Figure 11, as shown in the figure, a kind of arrangements of electric connection, comprises plug and socket,

Plug 100: comprise header body 101, the bottom of header body 101 is provided with at least two latches; Three latches 102 are suitable for, comprising two electrode latches and an earth electrode latch in the application.

Socket 200: have the housing that upper cover 210 and lower casing 220 form, lower casing inside is provided with the sleeve 230 corresponding respectively with plug pins, and sleeve top is provided with for isolating and covering the insulation board 240 of sleeve, is also provided with protective door assembly 250 above insulation board 240.

Upper cover inside is also provided with the float plate 260 guiding plug to insert, float plate 260 is plank frame, which is provided with and hold the vertical vias passed through of latch and pin hole 261, insulation board 240 is fixedly installed the back-moving spring 262 of float plate, float plate is also provided with the sleeve 263 holding back-moving spring, back-moving spring is positioned in the sleeve of float plate through protective door assembly, under non-intrusive state, float plate outer is supported on the inwall of upper cover by the predeformation of back-moving spring and covers plug insertion by float plate.

Float plate 260 is provided with a centre bore 264, centre bore 264 coordinates with the central shaft 255 be located on protective door assembly 250 panel makes float plate along the vertical back and forth movement of direction of insertion.

Float plate 260 is also provided with at least 1 spline convex tendon 265, spline convex tendon is set for the eccentric, spline convex tendon be located at the float plate guide groove 216 covered and coordinate, reciprocatingly slide in order to guide float plate and prevent float plate from centrally rotating in hole.Wherein, spline convex tendon can be symmetrically arranged 2 or circular array distribution multiple.Specifically do not limit.

Arrangements of electric connection also comprises the caution structure judging that the grafting of prompting plug whether puts in place, caution structure comprises the warning window 271 be arranged on upper cover 210, with the swing mechanism assembly of two kinds of warning color versions 272, swing mechanism component movement when plug inserts, according to insertion situation at warning window place display different colours.

Swing mechanism assembly comprises shell (not shown), swing arm 273 and torsion spring 274, and shell has the cavity holding swing arm and torsion spring rotation, and has the location notch installing swing arm and torsion spring; Swing arm is provided with central rotating shaft 275 and becomes two swing arms of predetermined angular with central rotating shaft, a swing arm of swing arm is provided with and drives contact 276, another swing arm is connected with color version, torsion spring set is in sway bar center rotating shaft, and an end pin is fixed in the default installing hole of swing arm, and the precompressed of an end pin is in shell location notch; Insert situation according to plug and control swing arm motion converter Show Color, judge grafting situation.

Under non-intrusive state, float plate in a state of nature, closes the plug insertion of socket upper cover, because the driving contact of swing arm one end is in free state under action of reset spring, in a state of nature, upper cover warning window shows a kind of color (as redness) to the color version of the other end completely.

When hand-held plug inserts, latch was through the latch via hole of float plate before this, and when the bottom surface of header body contacts with float plate, float plate is at the pressure contracting back-moving spring vertical downward movement of plug.When distance plug inserts distance very short in addition completely, such as 1mm, the lower surface of float plate starts the driving contact contacting swing arm, drives swing arm to start to rotate around central rotating shaft, drive color version to move, thus the color of warning window display start to gradually change.Float plate bottom surface contacts with protective door soon, plug is inserted into position completely, and now latch contacts completely with sleeve, and swing arm also rotates to maximum angle, the color of warning window display also becomes another kind of color (as green) rapidly, represents that plug is inserted into position completely.

During normal use, get loose if plug meets accident, when plug moves outside socket, float plate follows plug outwards movement under the effect of back-moving spring, the driving contact of swing arm circles round under the effect of torsion spring, drives color version to move, thus the color of warning window display shows safe color (as green) no longer completely, but according to design, if the very short distance (such as 1mm) that gets loose warn window will show completely dangerous look (as redness) reminding user insert put in place.Thus avoid the safety problem caused because of plug accidental release.

When needs are cut off the electricity supply, hand-held plug is extracted completely from socket, float plate back-moving spring effect under return back to inoperative reset condition, now the driving contact of swing arm is in free state, under the effect of torsion spring, swing arm circles round rapidly home position, and upper cover warning window shows a kind of safety color (as green) completely.

Arrangements of electric connection also comprises lockable mechanism, and lockable mechanism comprises the lock key 106 be arranged in header body 101, is positioned at the limited impression 211 on upper cover 210 plug insertion 214 inwall and is arranged at the driving boss 212 of limited impression 211; Lock key comprises the locking button 104 being arranged at header body 101 side, is also provided with the spring 105 driving locking button along its axially reciprocating between lock key and header body; When plug inserts, locking button enters in the limited impression that covers, locking button contacts with driving boss and is subject to drive boss to extrude, spring is squeezed contraction distortion, and locking button axially moves, when being deformed to predeterminated position to header body direction along it, driving boss crossed by locking button, rear spring drives locking button to reset, and be stuck in the lower plane place driving boss, plug grafting puts in place.

Side is also provided with hand push button 103 to header body 101, hand push button 103 realizes linking by spring 105 with locking button 104, and all stretch out in two holes be preset in header body, press hand push button, locking button axially moves to header body direction along it, and driving boss crossed by locking button, unclamps hand push button, locking button is stuck in the lower plane place driving boss, plug grafting puts in place.

Locking button 104 is arranged at the below of hand push button 103, the end design spherical of locking button 104.

Two flat ends up and down driving boss 212 are inclined-plane.

When inserting plug when switching on power, during plug insertion socket certain position, locking button on lock key enters the limited impression covered, when locking button spherical contacts with driving boss ramp, locking button is subject to rapidly the extruding driving boss inclined-plane, locking button is very fast to be moved to header body direction, now, and spring extrusion.Along with plug continues to insert, driving boss crossed by locking button, under the action of the spring, locking button return back to initial position, and locking button end hemisphere curved surface is stuck in the lower plane driving boss, and now plug is inserted into position completely, thus realize the locking of plug, make plug difficult drop-off.

When pulling the plug out of the socket when cutting off the electricity supply, the end hemisphere curved surface of locking button, by the extruding of the lower bevel of driving boss, makes locking button move to header body direction, now spring extrusion.When being deformed to certain position, driving boss crossed by locking button, and plug is extracted in socket.

If run into emergency when need cut off the electricity supply rapidly, mode can also be extracted by another kind, while namely holding plug, press the hand push button on lock key, directly pull the plug out of the socket in socket.Because hand push button and locking button link, driving boss does not now have locking effect.

For increasing locking effect, in limited impression, bilateral symmetry is provided with a pair locking boss 213, and the locking boss be oppositely arranged forms lock groove, coordinates with driving boss, makes locking button easily enter stopper slot but is difficult to surprisingly deviate from stopper slot.

Protective door assembly 250 comprises protective door upper cover, be arranged on block in protective door upper cover and stopper spring 254; Block is respectively earth electrode latch block and electrode latch block, protective door covers and is provided with three via holes inserted for plug pins, the die cavity 251 that convex tendon surrounds is provided with at each via hole periphery, in order to hold block and stopper spring, and carrying out spacing to the installation of block and stopper spring and reciprocating motion, stopper spring is arranged between block and the enclosure wall of die cavity; In a non-operative state, three blocks shelter from each self-corresponding pin hole under the effect of stopper spring.

The face of block blocking pin hole is provided with the driving inclined-plane of predetermined angular, moves after block being driven to driving inclined-plane applied pressure for the latch when plug inserts, open the pin hole blocked.

In the utility model, three blocks are separated, can realize interlock.Three blocks of common protective door are one, when earth electrode latch block is opened, the block of two other electrode latch is also opened simultaneously, and now electrode latch contacts with sleeve or disconnects the electric arc produced instantaneously and may injure user through exposed patchhole.And the protective door structure of this utility model is except having the function of the danger preventing children from mispluging, also there is the function cutting off electric arc.

Earth electrode plug pin lengths is greater than electrode latch, earth electrode latch block is lozenges structure, under non operating state, the block of two electrode latches withstands on by stopper spring on the lozenges of earth electrode block, when plug inserts, while earth electrode latch block is opened before this, two electrode latch blocks under the driving of lozenges after move, electrode pin hole is sheltered from by the driving inclined-plane of electrode latch block, rear plug continues to insert, after earth electrode latch fully contacts with earth electrode sleeve, electrode bolt driving electrode latch block is opened and is contacted with Electrode sleeve, at electrode latch and Electrode sleeve Contact, electrode pin hole is not completely exposed, thus effectively stop exposing of electric arc, avoid the injury of electric arc to user.

Same, when plug is extracted in socket, in the moment that electrode latch is extracted in sleeve, electrode latch block stopper spring effect under reset rapidly, contact with the lozenges of earth electrode latch block, shelter from the electrode-inserting holes of protective door, effectively stop exposing of electric arc, avoid the injury of electric arc to user.

Arrangements of electric connection also comprises insulation system, and insulation system comprises insulation board 240 and lower casing 220, and be provided with the electrode storehouse (not shown) holding sleeve in lower casing 220, insulation system also comprises the isolated part in order to isolated electrode storehouse.

Isolated part comprises the groove 241 of the periphery being arranged at electrode storehouse, is provided with the convex tendon 242 coordinated with the groove 241 of electrode storehouse periphery below insulation board 240, and when insulation board is fixed in lower casing, convex tendon and groove fit, make electrode storehouse completely isolated.By convex tendon and groove fit, make three electrode storehouses completely isolated, and can increase the creepage distance between electrode, the short circuit that can effectively prevent the arcing of electrode momentary arcing from causing, improves the coefficient of safety of arrangements of electric connection.

In addition, also can arrange convex tendon at electrode storehouse periphery, below insulation board, arrange groove, specific constructive form does not limit.

Protection against electric shock structure when arrangements of electric connection also has an insertion, plug insertion 214 is had in the middle of upper cover, the convex tendon 215 of predetermined altitude is set along plug insertion edge, form the inside die cavity passed through for float plate and plug, under plug non operating state, the porch of this die cavity is covered by float plate, when plug inserts, when latch is all through float plate before this, then the bottom of header body starts to contact with float plate, now latch all enters in closed die cavity, when plug inserts gradually, before latch and sleeve contact electrification, the bottom of header body also enters in die cavity, the accident generation that having stopped completely gets an electric shock because exposed latch is charged when plug inserts hurts sb.'s feelings.Meanwhile, contacting with sleeve due to latch or disconnect moment, arcing distance portion of the handle is far, and plug closes patchhole completely, even if there is sparking or arcing, electric arc also can not injure user.

Sleeve comprises sleeve body 10, is fixedly installed on to hold ring 20 tightly outside sleeve body 10, and is arranged at the preloading spring held tightly between ring 20 and sleeve body 10.Sleeve body comprises left shell fragment 11, right shell fragment 12 and brace 13; This preloading spring is arc spring leaf, and be preferably figure of three reed 30, arc spring leaf is pressed in the outside of sleeve body 10.After assembling, the both sides of figure-three elastic component be pressed in respectively hold ring inwall and the left shell fragment of sleeve body, right shell fragment tightly outer wall on, form multiple pretightning force strong point, hold sleeve body tightly with at least one pair of strong point of sleeve body contacts.

Left shell fragment on sleeve body 10, right shell fragment are surface blending, and left shell fragment, the bending laterally of right shell fragment upper end form arc crimping 14, and the upper end of arc spring leaf contacts with arc crimping outer wall, realizes the effective compression to insert port place.By left shell fragment, right shell fragment upper end are adopted surface blending form, facilitate the plug of inserted sheet.

Figure-three elastic component is two of being relatively pressed on sleeve body outer wall.Figure-three reed can support a position, 7 on sleeve body, and as 1-7 in Figure 10, wherein three strong points act on the outer wall of sleeve body, as in Figure 10 1,4,7.By figure-three reed, pretension is carried out to the both sides of sleeve body, ensure the safe contact between inserted sheet and sleeve.

Hold ring tightly and fix arc spring leaf and sleeve body, and arc spring leaf is anchored in the pre-compact space of holding tightly between ring and sleeve body, hold sleeve body tightly by the pretightning force of arc spring leaf.Fixing arc spring leaf and sleeve body by holding ring tightly, ensureing the support of arc spring leaf active force.

Wherein, this house type reed also can be U-shaped structure or wavy shaped configuration etc., does not specifically limit.

In addition, sleeve body is an integral structure component, itself possesses certain elasticity, and the elasticity by sleeve self holds inserted sheet tightly, fail safe and poor stability, increases the electrical connection that arc spring leaf effectively ensures its safety and stability

By at sleeve body with hold tightly between ring and place arc spring lamination, increase the contact between sleeve body and inserted sheet and contact area.Realize effective pretension to sleeve, ensure that inserted sheet contacts with effective between sleeve, avoid occurring the problems such as loose contact, realize the Stability and dependability connected, effectively increase the useful life of sleeve, reduce use cost, and fail safe is good.

The utility model discloses a kind of arrangements of electric connection and plug, socket, wiring board, by arranging float plate, when plug just contacts with sleeve, latch does not expose, float plate must be pressed down and insert ability power taking, the arcing produced when preventing high-power socket from plugging is to the injury of human body, and realize effectively anti-touching, the power supply of safety and stability connects.By arranging caution structure, can warn when plug inserts not in place or plug accidental release, reducing the generation of contingency.In addition, by arranging lockable mechanism, after plug inserts, carrying out locking fix, avoiding occurring problems such as getting loose, ensure the stability connected.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (46)

1. an arrangements of electric connection, comprises plug and socket, it is characterized in that:

Plug: comprise header body, the bottom of described header body is provided with at least two latches;

Socket: the housing with upper cover and lower casing composition, lower casing inside is provided with the sleeve respectively corresponding with plug pins, and sleeve top is provided with for isolating and covering the insulation board of sleeve, is also provided with protective door assembly above described insulation board;

Described arrangements of electric connection also comprises the caution structure judging that grafting whether puts in place, and described caution structure comprises the warning window being arranged at and covering, with the swing mechanism assembly of two kinds of warning color versions, and swing mechanism component movement when plug inserts.

2. arrangements of electric connection as claimed in claim 1, it is characterized in that, described swing mechanism assembly comprises shell, swing arm, color version and torsion spring, and shell has the cavity holding swing arm and torsion spring rotation, and has the location notch installing swing arm and torsion spring; Swing arm is provided with central rotating shaft and becomes two swing arms of predetermined angular with central rotating shaft, a swing arm of swing arm is provided with driving contact, another swing arm is connected with color version, torsion spring set is in sway bar center rotating shaft, and an end pin is fixed in the default installing hole of swing arm, and the precompressed of an end pin is in shell location notch.

3. arrangements of electric connection as claimed in claim 1, it is characterized in that, described sleeve comprises sleeve body, is arranged to hold ring tightly outside described sleeve body, and the preloading spring held tightly described in being arranged between ring and sleeve body, described preloading spring is arc spring leaf; Described sleeve body comprises left shell fragment, right shell fragment and brace;

Described ring of holding tightly fixes arc spring leaf and sleeve body, and is anchored on by arc spring leaf in the pre-compact space of holding tightly between ring and sleeve body, holds sleeve body tightly by the pretightning force of described arc spring leaf;

Left shell fragment on described sleeve body, right shell fragment are surface blending, and left shell fragment, the bending laterally of right shell fragment upper end form arc crimping.

4. arrangements of electric connection as claimed in claim 3, it is characterized in that, described arc spring leaf is figure-three elastic component, and described figure-three elastic component is two that symmetry is pressed on left shell fragment, right shell fragment outer wall.

5. arrangements of electric connection as claimed in claim 4, it is characterized in that, after assembling, the both sides of left and right two figure-three elastic components be pressed in respectively hold ring inwall and the left shell fragment of sleeve body, right shell fragment tightly outer wall on, form multiple pretightning force strong point, hold sleeve body tightly with at least one pair of strong point of sleeve body contacts.

6. arrangements of electric connection as claimed in claim 5, is characterized in that, described figure-three elastic component and to hold between ring and sleeve body totally seven strong points tightly, and wherein three strong points act on the outer wall of sleeve body.

7. arrangements of electric connection as claimed in claim 1, it is characterized in that, described arrangements of electric connection also comprises lockable mechanism, and described lockable mechanism comprises the lock key be arranged in header body, is positioned at the limited impression on described upper cover plug insertion inwall and is arranged at the driving boss of described limited impression; Described lock key comprises the locking button being arranged at header body side, is also provided with the spring driving locking button along its axially reciprocating between lock key and header body; When plug inserts, locking button enters in the limited impression that covers, locking button contacts with driving boss and is subject to drive boss to extrude, spring is squeezed contraction distortion, and locking button axially moves, when being deformed to predeterminated position to header body direction along it, driving boss crossed by locking button, rear spring drives locking button to reset, and be stuck in the lower plane place driving boss, plug grafting puts in place.

8. arrangements of electric connection as claimed in claim 7, it is characterized in that, described header body side is also provided with hand push button, and hand push button and locking button realize linking by described spring, and all stretch out in two holes be preset in header body, press hand push button, locking button axially moves to header body direction along it, and driving boss crossed by locking button, unclamps hand push button, locking button is stuck in the lower plane place driving boss, plug grafting puts in place.

9. arrangements of electric connection as claimed in claim 8, it is characterized in that, described locking button is arranged at the below of hand push button, the end design spherical of described locking button.

10. arrangements of electric connection as claimed in claim 7, is characterized in that, two flat ends up and down driving boss are inclined-plane.

11. arrangements of electric connections as claimed in claim 7, it is characterized in that, in described limited impression, bilateral symmetry is provided with a pair locking boss, and the locking boss be oppositely arranged forms the spacing locking button of lock groove.

12. arrangements of electric connections as claimed in claim 1, is characterized in that, described protective door assembly comprises protective door upper cover, be arranged on block in protective door upper cover and stopper spring; Latch is two or three, when latch is three, protective door covers and is provided with three via holes inserted for plug pins, the die cavity that convex tendon surrounds is provided with at each via hole periphery, in order to hold block and stopper spring, and carrying out spacing to the installation of block and stopper spring and reciprocating motion, stopper spring is arranged between block and the enclosure wall of die cavity; In a non-operative state, three blocks shelter from each self-corresponding pin hole under the effect of stopper spring.

13. arrangements of electric connections as claimed in claim 12, it is characterized in that, the face of described block blocking pin hole is provided with the driving inclined-plane of predetermined angular, moves after block being driven to driving inclined-plane applied pressure for the latch when plug inserts, open the pin hole blocked.

14. arrangements of electric connections as claimed in claim 12, is characterized in that, three blocks are separated, can realize interlock.

15. arrangements of electric connections as claimed in claim 13, it is characterized in that, earth electrode plug pin lengths is greater than electrode latch, earth electrode latch block is lozenges structure, under non operating state, the block of two electrode latches withstands on by stopper spring on the lozenges of earth electrode block, when plug inserts, while earth electrode latch block is opened before this, two electrode latch blocks under the driving of lozenges after move, electrode pin hole is sheltered from by the driving inclined-plane of electrode latch block, rear plug continues to insert, after earth electrode latch fully contacts with earth electrode sleeve, electrode bolt driving electrode latch block is opened and is contacted with Electrode sleeve.

16. arrangements of electric connections as claimed in claim 1, it is characterized in that, described arrangements of electric connection also comprises insulation system, described insulation system comprises described insulation board and described lower casing, be provided with the electrode storehouse holding sleeve in described lower casing, described insulation system also comprises the isolated part in order to isolated electrode storehouse.

17. arrangements of electric connections as claimed in claim 16, it is characterized in that, described isolated part comprises groove or the convex tendon of the periphery being arranged at electrode storehouse, the convex tendon or groove that coordinate with the groove of electrode storehouse periphery or convex tendon is provided with below insulation board, when insulation board is fixed in lower casing, convex tendon and groove fit, make between each electrode storehouse mutually isolated, and increase the creepage distance between each electrode.

18. arrangements of electric connections as claimed in claim 1, it is characterized in that, protection against electric shock structure when described arrangements of electric connection also has an insertion, plug insertion is had in the middle of described upper cover, the convex tendon of predetermined altitude is set along plug insertion adjacent edges, form the inside die cavity passed through for float plate and plug, under plug non operating state, the porch of this die cavity is covered by float plate, when plug inserts, when latch is all through float plate before this, then the bottom of header body starts to contact with float plate, now latch all enters in closed die cavity, when plug inserts gradually, before latch and sleeve contact electrification, the bottom of header body also enters in die cavity.

19. arrangements of electric connections as claimed in claim 1, it is characterized in that, described upper cover inside is also provided with the float plate guiding plug to insert, described float plate is plank frame, which is provided with the vertical vias held latch and pass through, insulation board is fixedly installed the back-moving spring of float plate, float plate is also provided with the sleeve holding described back-moving spring, described back-moving spring is positioned in the sleeve of float plate through protective door assembly, under non-intrusive state, float plate outer is supported on the inwall of upper cover by the predeformation of back-moving spring and covers plug insertion by float plate.

20. arrangements of electric connections as claimed in claim 19, is characterized in that, described float plate is provided with a centre bore, and described centre bore coordinates with the central shaft be located in protective door element panels makes float plate along the vertical back and forth movement of direction of insertion.

21. arrangements of electric connections as claimed in claim 20, it is characterized in that, described float plate is also provided with spline convex tendon, described spline convex tendon is for circumferentially evenly to arrange, described spline convex tendon coordinates with the float plate guide groove in upper cover, reciprocatingly slides in order to guide float plate and prevents float plate from centrally rotating in hole.

22. arrangements of electric connections as claimed in claim 21, is characterized in that, described spline convex tendon be symmetrically arranged 2 or circular array distribution multiple.

23. 1 kinds of Electric plug with shutter, comprise header body, the bottom of described header body is provided with at least two latches, it is characterized in that, described header body is also provided with lock key, described lock key comprises the locking button being arranged at header body side, is also provided with the spring driving locking button along its axially reciprocating between lock key and header body, by driving spring is flexible, locking button is snapped in socket along its axially reciprocating.

24. Electric plug with shutter as claimed in claim 23, it is characterized in that, described jack body side is also provided with hand push button, hand push button and locking button realize linking by described spring, and all stretch out in two holes be preset in header body, press hand push button, locking button axially moves to header body direction along it.

25. Electric plug with shutter as claimed in claim 23, is characterized in that, the end design spherical of described locking button.

26. 1 kinds of electric-connected sockets, it is characterized in that having the housing of upper cover and lower casing composition, lower casing inside is provided with the sleeve corresponding respectively with plug pins, sleeve top is provided with for isolating and covering the insulation board of latch, is also provided with protective door assembly above described insulation board;

Described electric-connected socket also comprises the caution structure judging that grafting whether puts in place, and described caution structure comprises the warning window being arranged at and covering, with the swing mechanism assembly of two kinds of warning color versions, and swing mechanism component movement when plug inserts.

27. electric-connected sockets as claimed in claim 26, it is characterized in that, described swing mechanism assembly comprises shell, swing arm, color version and torsion spring, and shell has the cavity holding swing arm and torsion spring rotation, and has the location notch installing swing arm and torsion spring; Swing arm is provided with central rotating shaft and becomes two swing arms of predetermined angular with central rotating shaft, a swing arm of swing arm is provided with driving contact, another swing arm is connected with color version, torsion spring set is in sway bar center rotating shaft, and an end pin is fixed in the default installing hole of swing arm, and the precompressed of an end pin is in shell location notch.

28. electric-connected sockets as claimed in claim 26, it is characterized in that, described sleeve comprises sleeve body, is arranged to hold ring tightly outside described sleeve body, and the preloading spring held tightly described in being arranged between ring and sleeve body, described preloading spring is arc spring leaf; Described sleeve body comprises left shell fragment, right shell fragment and brace;

Described ring of holding tightly fixes arc spring leaf and sleeve body, and is anchored on by arc spring leaf in the pre-compact space of holding tightly between ring and sleeve body, holds sleeve body tightly by the pretightning force of described arc spring leaf;

Left shell fragment on described sleeve body, right shell fragment are surface blending, and left shell fragment, the bending laterally of right shell fragment upper end form arc crimping.

29. electric-connected sockets as claimed in claim 28, it is characterized in that, described arc spring leaf is figure-three elastic component, and described figure-three elastic component is two that symmetry is pressed on left shell fragment, right shell fragment outer wall.

30. electric-connected sockets as claimed in claim 29, it is characterized in that, after assembling, the both sides of left and right two figure-three elastic components be pressed in respectively hold ring inwall and the left shell fragment of sleeve body, right shell fragment tightly outer wall on, form multiple pretightning force strong point, hold sleeve body tightly with at least one pair of strong point of sleeve body contacts.

31. electric-connected sockets as claimed in claim 30, is characterized in that, described figure-three elastic component and to hold between ring and sleeve body totally seven strong points tightly, and wherein three strong points act on the outer wall of sleeve body.

32. electric-connected sockets as claimed in claim 26, it is characterized in that, described upper cover plug insertion inwall is provided with limited impression, driving boss is provided with in described limited impression, described electric-connected socket and the Electric plug with shutter described in any one of claim 23-25 with the use of, when plug inserts, locking button enters in the limited impression that covers, locking button contacts with driving boss and is subject to drive boss to extrude, spring is squeezed contraction distortion, locking button axially moves to header body direction along it, when being deformed to predeterminated position, driving boss crossed by locking button, rear spring drives locking button to reset, be stuck in the lower plane place driving boss, plug grafting puts in place.

33. electric-connected sockets as claimed in claim 32, is characterized in that, two flat ends up and down driving boss are inclined-plane.

34. electric-connected sockets as claimed in claim 32, it is characterized in that, in described limited impression, bilateral symmetry is provided with a pair locking boss, and the locking boss be oppositely arranged forms the spacing locking button of lock groove.

35. electric-connected sockets as claimed in claim 26, is characterized in that, described protective door assembly comprises protective door upper cover, be arranged on block in protective door upper cover and stopper spring; Latch is two or three, when latch is three, protective door covers and is provided with three via holes inserted for plug pins, the die cavity that convex tendon surrounds is provided with at each via hole periphery, in order to hold block and stopper spring, and carrying out spacing to the installation of block and stopper spring and reciprocating motion, stopper spring is arranged between block and the enclosure wall of die cavity; In a non-operative state, three blocks shelter from each self-corresponding pin hole under the effect of stopper spring.

36. electric-connected sockets as claimed in claim 35, it is characterized in that, the face of described block blocking pin hole is provided with the driving inclined-plane of predetermined angular, moves after block being driven to driving inclined-plane applied pressure for the latch when plug inserts, open the pin hole blocked.

37. electric-connected sockets as claimed in claim 35, is characterized in that, three blocks are separated, can realize interlock.

38. electric-connected sockets as claimed in claim 36, it is characterized in that, earth electrode plug pin lengths is greater than electrode latch, earth electrode latch block is lozenges structure, under non operating state, the block of two electrode latches withstands on by stopper spring on the lozenges of earth electrode block, when plug inserts, while earth electrode latch block is opened before this, two electrode latch blocks under the driving of lozenges after move, electrode pin hole is sheltered from by the driving inclined-plane of electrode latch block, rear plug continues to insert, after earth electrode latch fully contacts with earth electrode sleeve, electrode bolt driving electrode latch block is opened and is contacted with Electrode sleeve.

39. electric-connected sockets as claimed in claim 26, it is characterized in that, described electric-connected socket also comprises insulation system, described insulation system comprises described insulation board and described lower casing, be provided with the electrode storehouse holding sleeve in described lower casing, described insulation system also comprises the isolated part in order to isolated electrode storehouse.

40. electric-connected sockets as claimed in claim 39, it is characterized in that, described isolated part comprises groove or the convex tendon of the periphery being arranged at electrode storehouse, the convex tendon or groove that coordinate with the groove of electrode storehouse periphery or convex tendon is provided with below insulation board, when insulation board is fixed in lower casing, convex tendon and groove fit, make between each electrode storehouse mutually isolated, and increase the creepage distance between each electrode.

41. electric-connected sockets as claimed in claim 26, it is characterized in that, protection against electric shock structure when described electric-connected socket also has an insertion, plug insertion is had in the middle of described upper cover, the convex tendon of predetermined altitude is set along plug insertion adjacent edges, form the inside die cavity passed through for float plate and plug, under plug non operating state, the porch of this die cavity is covered by float plate, when plug inserts, when latch is all through float plate before this, then the bottom of header body starts to contact with float plate, now latch all enters in closed die cavity, when plug inserts gradually, before latch and sleeve contact electrification, the bottom of header body also enters in die cavity.

42. electric-connected sockets as claimed in claim 26, it is characterized in that, described upper cover inside is also provided with the float plate guiding plug to insert, described float plate is plank frame, which is provided with the vertical vias held latch and pass through, insulation board is fixedly installed the back-moving spring of float plate, float plate is also provided with the sleeve holding described back-moving spring, described back-moving spring is positioned in the sleeve of float plate through protective door assembly, under non-intrusive state, float plate outer is supported on the inwall of upper cover by the predeformation of back-moving spring and covers plug insertion by float plate.

43. electric-connected sockets as claimed in claim 42, is characterized in that, described float plate is provided with a centre bore, and described centre bore coordinates with the central shaft be located in protective door element panels makes float plate along the vertical back and forth movement of direction of insertion.

44. electric-connected sockets as claimed in claim 43, it is characterized in that, described float plate is also provided with spline convex tendon, described spline convex tendon is for circumferentially evenly to arrange, described spline convex tendon coordinates with the float plate guide groove in upper cover, reciprocatingly slides in order to guide float plate and prevents float plate from centrally rotating in hole.

45. electric-connected sockets as claimed in claim 44, is characterized in that, described spline convex tendon be symmetrically arranged 2 or circular array distribution multiple.

46. 1 kinds of wiring boards, is characterized in that, comprise at least one electric-connected socket described in any one of claim 26-45.